View Compilation Error

0_0_32183853_28241.cpp: In function 'int main()':
0_0_32183853_28241.cpp:135:17: error: 'ok' was not declared in this scope
     m += (int)((ok*10)%10)*6;
                 ^
0_0_32183853_28241.cpp:139:5: error: 'else' without a previous 'if'
     else if(m <0)h--;m+=60;
     ^